answersLogoWhite

0


Best Answer

Temperature selector cable broken , the heater bypass valve broken , stuck closed or vaccum going to the control valve broken.

Answerwell sounds like the heater core is plugged,try to flush it out with a hose than reinstall the hoses backwards to reverse the flow.or you have an hvac concern mabye the blend door is not actuating.if the vehicle is reaching operating temp than the thermostat mustent be stuck open.
User Avatar

Wiki User

โˆ™ 2011-09-13 17:07:31
This answer is:
๐Ÿ™
0
๐Ÿคจ
0
๐Ÿ˜ฎ
0
User Avatar

Add your answer:

Earn +20 pts
Q: Why won't a Chevy 1993 G20 Conversion Van blow hot air even when the engine is warm?
Write your answer...
Submit
Related questions

What would make water blow out of top of motor on a 1993 Chevy 1500 pickup?

What engine does it have and where on the top is th water coming from? (front, back, or side)


Will driving a 98 Chevy cavalier with a speedometer that doesn't work blow your engine or transmission?

No it will not blow your engine or tranny up it has nothing to do with either of them. The thing to look for is if a speed sensor is out.


How do you install a 350 Chevy engine in dodge charger?

you don't unless you have a lot of money to blow.


How do you blow a engine turbo?

How do you blow a engine turbo.


What causes a Chevy 350 engine to blow heavy black oil out of the tailpipe?

bad rings or really bad valve seals.


Why is oil in the air cleaner on a 1986 Chevy 4.3L V6?

In any engine it usually means your piston rings are worn.


1993 ford f 150 6 oil is blowing back through breather hose?

Blow-by Engine is getting tired Excessive engine wear bad rings


Why does the Antifreeze leak into the oil on Chevy Malibu 98'?

You may have a blown head gasket. This needs to be repaired before you drive the vehicle or you can blow your engine.


How do you unclog the air conditioning drain for the evaporated water on a Chevy S10 with a 4-cylinder engine?

blow up tube with compressed air


Is there a switch on the Chevy Impala to enable heat to blow when the vehicle is running but sitting still It does not appear to operate unless the vehicle is in motion?

Blower motor switch. Put it on High and it will blow when sitting still with the engine running.


How do you blow up a cars engine?

There are several ways to blow up a cars engine. If your car loses all its oil and you don't shut off the engine you could blow it. You could blow it by over revving the engine for long periods of time. If the engine doesn't have water in it it could run hot and quit.


What would cause a ecm b fuse on a Chevy s-10 to continually blow?

Depending on what engine is in the vehicle, it may not have a distributor. If the engine is the 5.7L it does have a distributor. If you have the 4.8L or the 5.3L these engines do not have distributors.


How do you stop blow by on a 1995 dodge neon?

Blow by is caused by internal engine problems. You need a new engine.


How do you blow an head gasket?

Normally they blow due to engine overheating. They can sometimes blow for no apparent reason.


What is engine blow by?

Engine oil coming from breather pipe


How do you blow an engine?

run out of oil


What is a good blow by for a 12.5 liter diesel?

"Blow-by" is not good for any engine. It indicates worn internal engine parts (rings)


How do you change blower motor on Chevy G20?

how do you fix chevy 20 ac to blow in correct vents


You had 3 cans of freon put in a 1993 Chevy Lumina but it doesnt blow cold air How can you trouble shoot to find out what the problem is?

Chances are your leaking freon. There may be a leak in one of the seals.


How do blow a head gasket?

Let the engine overheat will normally blow the head gasket.


How do you you reduce engine blow by on a high performance engine?

Replace the engine or have it rebuilt. Once an engine is worn to the point that it has excessive blow by, those are the only real solutions. You could try using a heavier engine oil, but the effect that will have is negligible.


When was Blow - Straitjacket Fits album - created?

Blow - Straitjacket Fits album - was created in 1993.


When was the Chevy van G20 made?

air want blow out vents


Do head gaskets ever blow on a Toyota MR2 turbo?

ofcourse they do, they blow on any engine


Can a engine blow from a broken timing chain?

"Blow" is kinda vague, but it sure can get badly damaged.